20944144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{100693}}^1$

素因数の和:100714

約数の個数: 20

約数和(自身を含む): 43701196

約数和(自身を除く): 22757052

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 100693, 201386, 402772, 805544, 1309009, 1611088, 2618018, 5236036, 10472072, 20944144]

約数ペア:

[(1, 20944144), (2, 10472072), (4, 5236036), (8, 2618018), (13, 1611088), (16, 1309009), (26, 805544), (52, 402772), (104, 201386), (208, 100693)]